public class Example12_2 { 
	public static void main(String args[]) { 
		Thread speakElephant;            //用Thread声明线程
		Thread speakCar;                 //用Thread声明线程
		ElephantTarget elephant;         //speakElephant线程的目标对象
		CarTarget car;                   //speakCar线程的目标对象
		elephant = new ElephantTarget();
		car = new CarTarget();
		speakElephant = new Thread(elephant) ;   //创建线程
		speakCar = new Thread(car);              //创建线程
		speakElephant.start();                    //启动线程 
		speakCar.start();                        //启动线程
		for(int i=1;i<=15;i++) {
			System.out.print("主人"+i+"  ");
		}  
	}
}
